US3535178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing tufted pile fabric and nonwoven backing fabric for the same
Assignee: Bigelow Sanford Inc
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Filing: 1968-01-24
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Granted: 1970-10-20
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Expires: 1988-01-24
Abstract
No abstract record available.
Inventors
- 👤 David B Parlin
- 👤 Philip B Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:04
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |